Jun 15, 2017

GEORGE TOWN, Grand Cayman, Jun 15, 2017 (GLOBE NEWSWIRE) -- O₂Micro ® International Limited (NASDAQ Global

Select Market: OIIM), announces that it has signed a licensing agreement with Nanoleaf Canada Limited for non-exclusive use of selected patents

related to O₂Micro ®'s Free Dimming technology used in the licensee's light bulb products. Dr. Yung Lin, Executive Vice

President of O₂Micro ®'s Intelligent Lighting Group stated, 'We are pleased to expand usage of our Free Dimming technology

into the retail marketplace through our licensing program.'

O₂Micro ®'s patented Free Dimming Technology enables LED lights to dim using any on/off switch, thus eliminating the burden of

installing expensive dimmers. Free Dimming Technology is inherently simple and works with any on/off switch, including wall

toggles, paddle switches, pull cords, rotary switches and other types of on/off switches commonly found on walls, extension

cords and table/desk lamps.

Nanoleaf is an innovator in consumer-end intelligent lighting products, providing creative lighting solutions which combine

technology and designs with green technology.

About O2Micro:

Founded in April 1995, O2Micro develops and markets innovative power management components for the Computer, Consumer,

Industrial and Automotive markets. Products include Backlighting, Battery Management and Power Management.

O₂Micro, the O₂Micro logo, and combinations thereof are registered trademarks of O₂Micro. All other trademarks or registered

trademarks are the property of their respective owners.

Statements made in this release that are not historical, including statements regarding O2Micro's or management's intentions,

hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within

the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause

actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially

include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include

O₂Micro's products due to adverse economic conditions in general or specifically affecting O₂Micro's markets, technical difficulties

and delays in the developments process, and errors in the products. You are also referred to the Form F-1 in connection with the

company's initial public offering in August 2000, Form F-3 in connection with the company's public offering in November 2001, and

the annual reports on Form 20-F, which identify important risk factors that could cause actual results to differ from those contained in

the forward-looking statements. The company assumes no obligation to update or revise any forward-looking information, whether

as a result of new information, future events or otherwise.

Contact Information:

O2Micro Daniel Meyberg

Investor Relations